Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

chrome/browser/views/sad_tab_view.cc

Index: chrome/browser/views/sad_tab_view.cc
===================================================================
--- chrome/browser/views/sad_tab_view.cc	(revision 6142)
+++ chrome/browser/views/sad_tab_view.cc	(working copy)
@@ -10,6 +10,7 @@
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/resource_bundle.h"
 #include "generated_resources.h"
+#include "skia/ext/skia_utils.h"
 #include "skia/include/SkGradientShader.h"
 
 static const int kSadTabOffset = -64;
@@ -34,17 +35,9 @@
   InitClass();
 }
 
-static SkShader* CreateGradientShader(int end_point) {
-  SkColor grad_colors[2] = { kBackgroundColor, kBackgroundEndColor };
-  SkPoint grad_points[2];
-  grad_points[0].set(SkIntToScalar(0), SkIntToScalar(0));
-  grad_points[1].set(SkIntToScalar(0), SkIntToScalar(end_point));
-  return SkGradientShader::CreateLinear(
-      grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode);
-}
-
 void SadTabView::Paint(ChromeCanvas* canvas) {
-  SkShader* background_shader = CreateGradientShader(height());
+  SkShader* background_shader = skia::CreateGradientShader(
+      0, height(), kBackgroundColor, kBackgroundEndColor);
   SkPaint paint;
   paint.setShader(background_shader);
   background_shader->unref();